102221101021211 has 4 divisors (see below), whose sum is σ = 102221197581624. Its totient is φ = 102221004460800.

The previous prime is 102221101021159. The next prime is 102221101021213. The reversal of 102221101021211 is 112120101122201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102221101021211 - 2¹⁰ = 102221101020187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102221101021211.

It is not an unprimeable number, because it can be changed into a prime (102221101021213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46674470 + ... + 48815451.

It is an arithmetic number, because the mean of its divisors is an integer number (25555299395406).

Almost surely, 2^{102221101021211} is an apocalyptic number.

102221101021211 is a deficient number, since it is larger than the sum of its proper divisors (96560413).

102221101021211 is an equidigital number, since it uses as much as digits as its factorization.

102221101021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96560412.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102221101021211 its reverse (112120101122201), we get a palindrome (214341202143412).

The spelling of 102221101021211 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred one million, twenty-one thousand, two hundred eleven".